/**
 *    Copyright 2009-2020 the original author or authors.
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */
package org.apache.ibatis.aapl.annotation.impl;

/**
 * 获取注入字段的值
 * 若要使用自定义的字段注入值
 * 需要为该字段的值定义一个策略方法
 * 然后请将这个策略方法，声明到注解中去
 *
 * @author gu
 * @date 2020/3/30 11:12
 * @see org.apache.ibatis.aapl.annotation.FieldInjection
 */
public interface FieldInjectionStrategy {
  /**
   * 获取一个值
   * 该值不包含任何参数
   * 用于FieldInjection字段注入的相应值得注入
   *
   * @return 返回一个待注入的值
   */
  Object getValue();
}
